<Item type="FMEA Failure Mode FMEA Effect" action="add" id="@2">
 <source_id>@1</source_id>
 <related_id>
  <Item type="FMEA Effect" action="add" id="@3">
   <effects>@4</effects>
   <severity>@5</severity>
  </Item>
 </related_id>
</Item>